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AV SURROUND RECEIVER

KRF-V7510D/VR-208

KRF-V8010D/VR-209

SERVICE MANUAL

© 1998-4/B51-5419-00 (K/K) 1796

A

SPEAKERS

B

BASS BOOST

MONITOR

SOURCE

DIRECT

INPUT MODE

 

LISTEN MODE SOUND

SETUP

MULTI CONTROL

INPUT SELECTOR

VOLUME CONTROL

DOLBY DIGITAL

CLIP INDICATOR

DOWN

UP

STANDBY

AV  SURROUND  RECEIVER

ON / STANDBY

PHONES

-

 ON  

  – 

OFF

POWER

DIMMER

P.CALL

P.CALL

BAND

AUTO

MEMORY

REC OUT

PHONO

CD

MD / TAPE

MONITOR

PLAY IN

REC OUT PLAY IN

L

R

VIDEO 2

DOLBY DIGITAL / PCM IN

VIDEO 3

VIDEO 1

VIDEO 1

VIDEO 2

VIDEO 3

VIDEO 1

VIDEO 2

VIDEO 3

REC OUT PLAY IN

PLAY IN

PLAY IN

MONITOR

VIDEO IN

VIDEO OUT

FM

75

Ω

GND

AM

ANTENNA

(

ƒ

)

SYSTEM  CONTROL

SL16

(XS8)

SUBWOOFER

SURROUND

PRE  OUT

CENTER

L

R

CENTER SPEAKER

FRONT SPEAKERS

+

+

-

-

R

A

L 

C

SURROUND        SPEAKERS

FRONT             SPEAKERS

L

R

+

+

-

-

+

+

-

-

L

R

B

Indicator

(B12-0340-04)

Lock terminal board
(E70-0080-05)

Phono jack
(E63-1021-05)

Phono jack
(E63-1022-05)

Power cord bushing
(J42-0083-05)

AC power cord *
(E30-)

KENWOOD badge
(B43-0302-04)

Knob
(K29-6879-02)

Front glass
(B10-2426-02)

Knob
(K29-6898-03)

Knob
(K29-6880-04)

Knob (BUTTON)
(K27-2274-04)

Phono jack x 2
(E63-0172-05)

Lock terminal board
(E70-0068-05)

AC outlet *
(E03-)

Metallic cabinet
(A01-3534-01)

Foot
(J02-1405-03)

Foot
(J02-1405-03)

Phone jack(3P)
(E11-0295-05)

Knob
(K29-6879-02)

Knob
(K29-6881-04)

Panel *
(A60-)

Miniature phone jack(2P)
(E11-0347-05)

Phono jack x 2
(E63-0173-05)

Screw terminal board
(E70-0089-05)

* Refer to parts list on page 32.

Slide switch
(S62-0034-05)

Phono jack
(E63-1020-05)

Optical receiving module
(W02-1181-05)

Phono jack
(E63-1015-05)

VR-208(K) 

COVER-2P( 

 

98.4.24 

16:31 

 y [ W  

2

Содержание VR-209

Страница 1: ...UT CENTER L R CENTER SPEAKER FRONT SPEAKERS R A L C SURROUND SPEAKERS FRONT SPEAKERS L R L R B Indicator B12 0340 04 Lock terminal board E70 0080 05 Phono jack E63 1021 05 Phono jack E63 1022 05 Power cord bushing J42 0083 05 AC power cord E30 KENWOOD badge B43 0302 04 Knob K29 6879 02 Front glass B10 2426 02 Knob K29 6898 03 Knob K29 6880 04 Knob BUTTON K27 2274 04 Phono jack x 2 E63 0172 05 Lock...

Страница 2: ... AM loop antenna 1 Resetting theMicrocomputer If the microcomputer may malfunction unit cannot be operated or shows an erroneous display if the power cord is unplugged while the power is ON or due to some other external factor If this happens execute the following procedure to reset the micro computer and return the unit to its normal operating condition Unplug the power cord from the wall outlet ...

Страница 3: ...rring 5 DIMMER key Use to adjust the brightness of the display 6 P CALL keys Use to call up previously registered radio stations 7 BAND key Use to select the broadcast band 8 AUTO key Use to select the auto tuning mode 9 MEMORY key Use to store radio stations in the preset memory 0 VOLUME CONTROL knob PHONES jack Use for headphone listening SPEAKERS A B keys Use to turn the speakers ON OFF BASS BO...

Страница 4: ...he sound quality and ambi ence effects LISTEN MODE key Use to select the listening mode SETUP key Use to select the surround sound settings 1 POWER key Use to turn the receiver on and off Use in combination with the input selector AUDIO VIDEO or TV keys and SHIFT key to turn various components onand off 2 MACRO key Use incombination with the AUDIO VIDEO or TV keys to execute a series of com mands ...

Страница 5: ...PAIR 1 Remove the 8 screws 1 2 3 remove the rear panel 2 Connect the GND of the rear panel and the chassis the GND of the mounting hardware and the chassis with 2 alligators clip 4 1 2 2 4 4 4 3 3 x2 x2 x3 VR 257 VR 208 K COVER 2P 98 4 2416 32 y W 10 ...

Страница 6: ...IC15 2 2 IC14 IC2 IC1 Q2 IC10 30V A V R IC2 IC1 D5 D2 D1 S1 SWITCHED Q1 K1 ONLY for J E T TYPE VIDEO SEL IC6 3 3 IC8 IC11 IC7 2 3 IC6 2 3 IC7 1 3 VIDEO IN OUT IVP P 75 OUT IN 200mV 2 2K 200mV 47K AUDIO IC6 IC22 2 2 IC22 1 2 IC23 1 2 IC23 2 2 IC21 PHONO 2 5mV 47K IC6 1 3 IC5 IC3 J1 A1 TC9164AF TC9163AF for RELAY SW for ONLY for 100W AMP LOW TAP for AMP HI TAP TUNER AUDIO and VISUAL for FIL for DSP ...

Страница 7: ...C TC9163 9164 CXP82832 141Q X00 POWER Relay K1 SP A RELAY K1 SP B RELAY K2 SURR RELAY K3 CENTER RELAY K4 X08 IC1 DSP IC X08 IC2 DAC IC YSS248 CS4226 CRYSTAL X09 IC5 6 FUNCTION SW X09 IC9 VOLUME IC X09 IC52 E2PROM M62446FP LC72131 X24CO2 XICOR TC9162 9164 12 KR0 13 KR1 14 KR2 81 KS0 P CH DOWN ON STANDBY SPEAKER A 80 KS1 P CH UP DIMMER SPEAKER B 79 KS2 BAND LISTEN MODE BASS BOOST 78 KS3 AUTO SOUND M...

Страница 8: ...O I Pll ic do signal input port 34 PLL ST I Tuner stereo signal detection port L STEREO 35 PLL SD I Tuner sd signal detection port L TUNED 36 RCV CE I Receiver chip enable signal port L ENABLE 37 Avss Analog GND 38 RESET I Microproessor reset signal 39 40 8MHz I Main clock generation 8MHz 41 Vss Microprocessor GND 42 None I No connect 43 TEX GND 44 Vdd Power supply 5V 45 Vfdp Power supply 33V 46 S...

Страница 9: ...I Test port 60 Vss GND 61 TEST I Test port 62 IC I Initial clear port 63 65 TEST I Test port 66 CS I Microprocessor interface chip selector input port KRF V7510D V8010D VR 208 209 9 CIRCUIT DESCRIPTION Pin No Pin Name I O Description 61 FB RLY O Front B speaker relay control H relay on 62 C RLY O Center speaker relay control H relay on 63 S RLY O Rear speaker relay control H relay on 64 POWER RLY ...

Страница 10: ...with the condition CONDITION PIN NO 18 19 21 22 24 25 26 27 DOLBY DIGITAL YSE ON OFF ON ON NONE ON OFF OFF OFF A B SPEAKER OFF ON OFF ON OFF OFF OFF TEST TONE ON OFF OFF OFF OFF OFF SETUP SW ch NONE ON OFF OFF OFF SW ch YES ON OFF OFF ON ON ON NONE ON OFF ON OFF OFF OFF 5 FUNCTION IC TC9164AF X08 IC6 Pin No Pin Name I O Descriptions 67 SO O Microprocessor interface serial data output port 68 SI I ...

Страница 11: ...point where ED51 TUNED goes on MONO 98 0 MHz FM SECTION SELECTOR FM REC OUT PHONO CD MD TAPE MONITOR PLAY IN REC OUT PLAY IN L R VIDEO 2 DOLBY DIGITAL PCM IN VIDEO 3 VIDEO 1 VIDEO 1 VIDEO 2 VIDEO 3 VIDEO 1 VIDEO 2 VIDEO 3 REC OUT PLAY IN PLAY IN PLAY IN MONITOR VIDEO IN VIDEO OUT FM 75Ω GND AM ANTENNA ƒ SYSTEM CONTROL SL16 XS8 SUBWOOFER SURROUND PRE OUT CENTER L R CENTER SPEAKER FRONT SPEAKERS R A...

Страница 12: ...ONES 2 1 1 3 2 1 J70 1173 11 1 2 2 1 1 6 1 5 240V C 6 AC220 120V AC110 AC110 240V AC220 120V X00 1 6 5 1 B E B E CONTROL SYSTEM 12 E A B D C 2 1 3 5 7 4 6 PC BOARD Component side view Refer to the schematic diagram for the value of resistors and capacitors POWER SUPPLY UNIT VR 208 K COVER 2P 98 4 2416 32 y W 24 ...

Страница 13: ...O3 VIDEO OUT VIDEO IN PCM IN DOLBY DIGITAL 12 1 I G O O G I I G O 2 16 17 1 1 4 5 8 1 4 5 8 1 1 4 4 5 5 8 8 1 11 12 22 23 33 34 44 1 4 5 8 1 100 81 80 30 31 50 51 B B E E 15 14 1 28 1 14 15 28 1 4 5 8 1 4 5 8 1 8 5 4 1 4 5 8 1 4 5 8 1 4 5 8 1 14 8 7 8 5 4 1 1 4 8 5 1 8 5 4 1 14 8 7 Refer to the schematic diagram for the value of resistors and capacitors PC BOARD Component side view 13 14 TUNER UNI...

Страница 14: ...B WOOFER PLAY IN VIDEO 3 PLAY VIDEO 2 IN FRONT SPEAKERS A L R C SPEAKER CENTER J70 1171 21 X09 489X XX A 3 X09 B 3 X09 C 3 PRE OUT I G O I G O 1 13 26 1 23 1 1 2 18 19 1 15 4 1 1 2 13 12 1 17 3 1 4 1 1 3 13 14 30 32 1 3 1 2 18 19 B E B B B B B E B B B E B B E B B E B B B E B E B B B E B B B E E E E E E E E E E E E E E E L R SURROUND SPEAKERS FRONT SPEAKERS B 12 Refer to the schematic diagram for t...

Страница 15: ...C8 0 01 R81 150 C7 47u16 W59 W11 W83 W82 C32 10u16 1W R74 47K R77 R78 R76 1 8K 1K R75 8 2K 820 W86 W56 R61 12K R60 1 2K 100P C83 1K R84 6 4 5 3 4 5 3 6 0 1 C53 R65 C18 B 0 022 C1 E1 3 4 1 2 VCC 220 R43 R55 33K C50 100P C51 470P R57 1K C52 100P R56 1K 1 4W C47 R50 470 R52 100 5 6K R51 R54 1K R53 C78 C49 1000P C46 10u16 C48 47u16 C44 470P R45 1K C57 2200P R66 9 1K C58 2200P R67 9 1K R69 680K DETECTO...

Страница 16: ...K 4 3K 1000P C133 C134 1000P R131 100K 100K R132 R133 5 1K 5 1K R134 C132 4 7u50 4 7u50 C131 4 3K 4 3K 100K R151 C153 1000P CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME CONTROL VOLUME VOLUME CONTROL MUX AGND1 AGND2 INPUT GAIN FILTERS DIGITAL CONTROL VOLUME MONO ADC ADC LEFT ADC RIGHT 5 DAC 6 DAC DAC DAC 4 3 DAC 2 DAC 1 DIGITAL FILTERS INPUT MUX REFERENCE VOLTAGE AND OUTPUT STAGE ANALOG LOW PASS IN...

Страница 17: ...185 15V 2 1 3 4 5 6 7 8 9 10 11 12 C197 30K R203 R204 30K 4 7 100 5 6 R202 15K 0 082 C191 1 100 R219 2 100P C195 C198 R220 C223 1000P 8 R201 15K 3 0 082 C192 C194 0 082 C199 0 01 100P C200 5 15K R173 100P C177 4 1 100P C175 3 2 100 R177 8 C180 100P C178 7 6 100P C176 100 R178 0 082 C173 C174 0 082 30K R175 R176 30K R174 15K C179 0 01 100P C113 100K R181 100P 100P C148 100P 0 082 C172 0 082 C171 10...

Страница 18: ...25 1u50 R159 1K C168 22 6 7 21 23 8 18 21 24 25 19 10 11 1 1K R161 1K R160 1K 1K 11 10 C321 1u50 C322 1u50 C323 1u50 R19 4 7K C42 33u16 R51 47K R50 4 7K 10K R47 R49 68K R48 100K 10K R178 6 2K R176 6 2K R175 4 10 9 8 11 5 6 R13 56K YES R369 371 6 2K 79 128 W56 63 368 3 3K R202 2 7K C200 1u50 R201 750 100P C208 100P C209 C210 31 30 29 AVSS 32 3 3u50 28 R213 R214 LTRE 21 20 19 18 25 24 23 22 RBASS3 R...

Страница 19: ...V 65V W129 37V 37V 37V 65V 65V 65V 65V 79 128 W56 63 NO 371 R369 6 2K R343 347 358 20K 39K R241 51K 230 R229 13K 242 253 R315 316 329 330 363 35 820 NO 22K R13 15V 15V 15V 15V 37V 65V 37V 37V 65V 65V 37V 37V 65V 65V 65V 15V 65V 37V 65V 37V 15V 31V 31V 31V 15V 31V 65V 37V 65V 37V 15V W60 W56 W79 W58 P1 R26 R25 3IN COM V 3OUT 3NF 24 23 26 25 W130 W128 2IN MUTE 2NF 20 22 21 1IN 1NF V PRE 2OUT V PRE 1...

Страница 20: ... 6V 3 F OFF 5 D GND 4 POWER 2 D GND 1000P 4 7u35 C11 330u25 3 3K 1 4W 4 7K R3 C10 10K R4 2 7K R5 C8 C7 0 01 0 01 R1 P1 3 3M 1 2W C6 100 W2 C5 R6 COLD GRY RED BRN RED POWER TRANSFORMER BRN BLU RED BLU HOT ORG ORG BLK 1 2 YEL YEL YEL YEL UNIT No 2 91 X09 B 3 CN53 4 4 YES NO W3 P1 NO R1 NO W1 2 J1 T1 L07 2506 05 E03 0418 05 ABB J COUNTRY JAPAN DESTINATION UNIT No 0 01 P1 R1 W1 3 NO NO NO J1 T1 L07 21...

Страница 21: ...5 6V 5 6V 5 6V 5 6V 5V 5V 330 R595 R548 1K S519 S518 S517 C526 100u6 3 R589 470 1 4W ROUT GND VCC R573 220 R568 220 A501 10K 10K R575 R580 0 01 C511 0 01 C518 10K 10K R576 R581 0 01 C512 0 01 C519 10K 10K R582 R577 10K R571 220 R569 220 R572 220 R570 220 C520 0 01 C513 0 01 R556 R555 10K 100 R551 C505 0 01 R544 100K R563 10K R564 10K R565 10K R554 470 R553 470 R552 470 3 4 2 1 1000P C506 1 2 3 4 8...

Страница 22: ...XS8 X08 2840 10 G Cx6 S520 ON STANDBY J 2 PHONES J 1 AC110 120V 220 240V S 2 S 3 J 1 ANTENNA J 4 S 1 J 2 J 3 J 1 A 1 VIDEO J 3 MONITOR J 2 MD TAPE J 7 PHONO J 1 PREOUT J 4 SPEAKER J 5 SPEAKER J 6 A501 ERASE S505 DIMMER S511 P CALL S516 B S504 BAND S510 AUTO S515 MEMORY S512 SPEAKERS S501 A S509 BASS BOOST S521 MONITOR S503 XOURCE DIRECT S506 INPUT MODE S507 LISTEN MODE S502 SOUND S514 SETUP S519 M...

Страница 23: ...01 1A A01 3534 01 METALLIC CABINET 602 1A A09 0366 08 BATTERY COVER 605 2A A60 1317 01 PANEL KP1 605 2A A60 1318 01 PANEL Y1M1 605 2A A60 1367 01 PANEL K1P2 605 2A A60 1385 01 PANEL Y2 605 2A A60 1439 01 PANEL V 606 1A A70 1194 05 REMOTE CONTROLLER ASSY KP1Y1 606 1A A70 1194 05 REMOTE CONTROLLER ASSY K1P2Y2 606 1A A70 1194 05 REMOTE CONTROLLER ASSY M1 606 1A A70 1195 05 REMOTE CONTROLLER ASSY V 61...

Страница 24: ...02J CHIP R 3 0K J 1 10W R19 RK73FB2A822J CHIP R 8 2K J 1 10W R20 RK73FB2A392J CHIP R 3 9K J 1 10W R23 RK73FB2A332J CHIP R 3 3K J 1 10W R25 RK73FB2A183J CHIP R 18K J 1 10W T1 L07 2128 05 POWER TRANSFORMER Y1M1Y2 T1 L07 2129 05 POWER TRANSFORMER V R1 R92 1844 05 CARBON 3 3M J 1 2W KP1K1 R1 R92 1844 05 CARBON 3 3M J 1 2W P2 K1 S76 0070 05 MAGNETIC RELAY S1 S68 0088 05 PUSH SWITCH V S1 S68 0088 05 PUS...

Страница 25: ... 16WV R27 28 RK73FB2A822J CHIP R 8 2K J 1 10W R30 RK73FB2A561J CHIP R 560 J 1 10W V R30 RK73FB2A561J CHIP R 560 J 1 10W Y1M1Y2 R31 RK73FB2A473J CHIP R 47K J 1 10W V R31 RK73FB2A473J CHIP R 47K J 1 10W Y1M1Y2 R33 34 RK73FB2A102J CHIP R 1 0K J 1 10W R42 RK73FB2A103J CHIP R 10K J 1 10W R43 RK73FB2A221J CHIP R 220 J 1 10W R44 RD14NB2E271J RD 270 J 1 4W R45 RK73EB2B102J CHIP R 1 0K J 1 8W R46 RK73FB2A1...

Страница 26: ...72 73 CK73FF1C224Z CHIP C 0 22UF Z C74 CE04LW1C101M ELECTRO 100UF 16WV C77 78 CK73FB1E104K CHIP C 0 10UF K C81 CE04LW1C101M ELECTRO 100UF 16WV C83 CE04LW1A101M ELECTRO 100UF 10WV C86 87 CK73FB1E104K CHIP C 0 10UF K C91 CE04LW1C101M ELECTRO 100UF 16WV C92 CE04LW1A101M ELECTRO 100UF 10WV C93 95 CK73FB1E104K CHIP C 0 10UF K C96 CE04LW1C101M ELECTRO 100UF 16WV C97 CE04LW1A101M ELECTRO 100UF 10WV C101 ...

Страница 27: ...1W R59 RD14NB2E1R0J RD 1 J 1 4W R61 63 RD14NB2E2R2J RD 2 2 J 1 4W R64 RD14NB2E1R0J RD 1 J 1 4W R66 RD14NB2E2R2J RD 2 2 J 1 4W R67 RD14NB2E1R0J RD 1 J 1 4W R68 RD14NB2E2R2J RD 2 2 J 1 4W R69 RK73FB2A203J CHIP R 20K J 1 10W R70 RK73FB2A101J CHIP R 100 J 1 10W R71 RK73FB2A473J CHIP R 47K J 1 10W R72 RK73FB2A472J CHIP R 4 7K J 1 10W R101 104 RK73FB2A203J CHIP R 20K J 1 10W R105 106 RK73FB2A101J CHIP R...

Страница 28: ...UF K C532 CK73FB1H102K CHIP C 1000PF K C534 C90 1827 05 ELECTRO 0 047F 5 5WV V C23 26 CE04LW1H470M ELECTRO 47UF 50WV K1P2Y2 C23 26 CE04LW2A100M ELECTRO 10UF 100WV KP1Y1 C23 26 CE04LW2A100M ELECTRO 10UF 100WV M1V C27 28 CC73FSL1H151J CHIP C 150PF J C29 30 CE04LW1H470M ELECTRO 47UF 50WV KP1Y1 C29 30 CE04LW1H470M ELECTRO 47UF 50WV M1V C31 32 CE04LW1H470M ELECTRO 47UF 50WV K1P2Y2 C31 32 CE04LW2A100M E...

Страница 29: ... R 51K J 1 10W K1P2Y2 R241 242 RK73FB2A513J CHIP R 51K J 1 10W V R243 244 RK73FB2A183J CHIP R 18K J 1 10W R249 250 RK73FB2A103J CHIP R 10K J 1 10W R251 252 RK73FB2A104J CHIP R 100K J 1 10W R253 RK73FB2A363J CHIP R 36K J 1 10W KP1Y1 C534 C90 1827 05 ELECTRO 0 047F 5 5WV Y1M1Y2 C535 CE04LW0J471M ELECTRO 470UF 6 3WV KP1K1 C535 CE04LW0J471M ELECTRO 470UF 6 3WV P2 CN1 E40 4299 05 PIN ASSY CN8 E40 8251 ...

Страница 30: ...73FB2A183J CHIP R 18K J 1 10W R263 264 RK73FB2A102J CHIP R 1 0K J 1 10W R267 RK73FB2A102J CHIP R 1 0K J 1 10W R269 270 RK73FB2A102J CHIP R 1 0K J 1 10W R271 RK73FB2A473J CHIP R 47K J 1 10W R272 RK73FB2A361J CHIP R 360 J 1 10W R275 276 RK73FB2A104J CHIP R 100K J 1 10W R277 278 RK73FB2A563J CHIP R 56K J 1 10W R284 RK73FB2A104J CHIP R 100K J 1 10W R291 RK73FB2A104J CHIP R 100K J 1 10W R305 RK73FB2A10...

Страница 31: ...S104A DIODE D529 531 1SS133 DIODE ED51 11 MT 116GK INDICATOR TUBE IC1 TA7815SB ANALOGUE IC IC2 TA79015SB ANALOGUE IC IC3 STK407 090K HYBRID IC K1P2Y2 IC3 STK411 230D HYBRID IC KP1Y1 IC3 STK411 230D HYBRID IC M1V IC3 STK411 230K HYBRID IC KP1Y1 IC3 STK411 230K HYBRID IC M1 IC4 STK407 290K HYBRID IC K1P2Y2 IC4 STK410 030D HYBRID IC KP1Y1 IC4 STK410 030D HYBRID IC M1V IC4 STK410 030K HYBRID IC KP1Y1 ...

Страница 32: ...ASS 10 dB at 100 Hz TREBLE 10 dB at 10 kHz Sampling frequency 32 kHz 44 1 kHz 48 kHz Input level impedance wave length Optical 15 dBm 21 dBm 600 nm 30nm Coaxial 0 5 Vp p 75 Ω VIDEO inputs outputs VIDEO composite 1 Vp p 75 Ω FM tuner section Tuning frequency range 87 5 MHz 108 MHz Usable sensitivity MONO 1 6 µV 75 Ω 15 2 dBf 75 kHz DEV SINAD 30 dB 50dB quieting sensitivity STEREO 31 6 µV 75 Ω 41 2 ...

Страница 33: ...per channel minimum RMS both channels driven at 8 Ω from 40 Hz to 20 kHz with no more than 0 7 total harmonic distortion FTC VR 208 50 watts per channel minimum RMS both channels driven at 8 Ω from 40 Hz to 20 kHz with no more than 0 7 total harmonic distortion FTC Effective power output during SURROUND operation VR 209 FRONT 1kHz 0 7 T H D at 8 Ω 100 W 100 W CENTER 1kHz 0 7 T H D at 8 Ω 100 W SUR...

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